Woodhouse, L; Hickson, L; Dodd, B (2009). «Review of visual speech perception by hearing and hearing-impaired people: clinical implications». International Journal of Language and Communication Disorders44 (3): 253-70. PMID18821117. doi:10.1080/13682820802090281.
Erber, NP (1969). «Interaction of audition and vision in the recognition of oral speech stimuli». J Speech Hear Res12 (2): 423-5. PMID5808871. doi:10.1044/jshr.1202.423.
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Woodhouse, L; Hickson, L; Dodd, B (2009). «Review of visual speech perception by hearing and hearing-impaired people: clinical implications». International Journal of Language and Communication Disorders44 (3): 253-70. PMID18821117. doi:10.1080/13682820802090281.
Erber, NP (1969). «Interaction of audition and vision in the recognition of oral speech stimuli». J Speech Hear Res12 (2): 423-5. PMID5808871. doi:10.1044/jshr.1202.423.